Secondary battery.



A. H. BARKER.

SECONDARY, BATTERY.

APPLICATION FILED FEB.1Z, 1910.

Patented Oct. 1, 1912.

a m F 6 WWW] J W m g Q m E? 5mm FMQIIM n \J A -K i being supper SECDNDARY BEL crn lles imtil the deposits actually form 2 I conneetien between. the adjoining; positive and negative plates with the result that she-rt ciicinting occurs. According to this invention, While the positive plate est en the fmfesziid cradl s, the negative plates are formed with i'ece ses so as to ciear the cradles on which the positive pirates rest, and between the cradles av third emclle is pre- Ticled and in s en the negative plates are nvtlaptecl to l" on the third cradle which consists :1 support 01 strip 01 Wood. or

other suitable non-conducting material with grooves, if (lesii'etl to take the iugs.

in order to enable this invention to be remlitv understood reference is made to the accompanying drawings in which Figures 1 and 2 are encl and sicle views 1-e speetively of a secondary' battery embodyin my invention, the battery box: being shown in section. Fig. 3 is a VQtiCfll cross section of an at i'antageous form of plate.

in the ecconipanylw rlrmvings, a is the battery box, fitted with the usual lining, 7), niirl the plates. 6-, Whieli :u' "formed at their lower H'lflF like P'lll'lf plates, supported upon wootlen ci'ziclles 01 st Tips, cl, of a known type. Cilie ho is closed by any sit able llCl. (1. New accordingto these in provements. plates of one Sign, that is to say either the positive or t-llC negative plates, ,l upon these cradles, plates osite sign are supported. as hereiecl. For instance. 'cefei'rin of the op i112 titer (iQFC' to ilQSi i and if c are the positive plates and these test noon the cradles, (Z, then the negative flutes Le cut away at g, so tha spaces :120 left i-ietiveen the plates, and the supports, 4/, at these places. Between the cradles, (Z, the negative plates, f, are sup ported by a strip or cradle, 71, and the plates, f, are formed with feet or lugs, 9', so that strips of more or lkESC frequently happens i Specification of Letters Iatent.

Application filed 3.-

I i l i cradles, it and i1, ney be kept iiprigz prevented from tilting or failing o i cutting reveiseiy inclined grooves, s, i bases and inserting int (we;

greater mass of the ci'etiies, 7i, not high as the cradle, (Z. course there might be two such SMIQS as, Fe, for the upport 01"" the plates, The

iii

lugs, 0 e this to be remedied the opposite corn of the p oieqiml ti ekness he rib /.'1

2, so that 1i the t th part or 1c in thickness to ie mg, 0, is joincl tnifinetl tie for side new one lDILlTHt-il on o ends, fornieci of ne nlzit be invert-e cle.

would "ed side 1" to bottom, as shown a "s, saiel P single C wanted to 195 i. and a icie of S e "We P 2. A secondary battery piete Iorineci with 119 a cent-ml depending lug upon the lower edge and arecess on each side of the lug,

said plate having a thickened edge or rim name to this specification in the. presence of ihe upper garner spaces hinelosed by (this c{i111 two subscribing Witnesses.

eing fille in so that t e rim is Wi one at T the corners, said plate being formed of v ALFRED HENRX E 5 giadually increasing thickness from top to Witnesses: bottom. DUNCAN MGLAREN,

In testimony whereof I have signed my F. HOWELL.

I Copies of this patent may be obtained for five cents each, by addressing the Gommissioner '0! Patents,-

Vashington, D. C. 

